Shanghai cov khoom lag luam muaj xws li Shanghai Dongda polyurethane Co. thiab Shanghai Dongda Chemistry Co. Ob leeg ntawm lawv yog nyob hauv Shanghai thib ob tshuaj lom neeg chaw ua si.
Shanghai Dongda Polyurethane CO yog tus kws tshaj lij sib xyaw polyols chaw tsim tshuaj paus thiab ua si lub luag haujlwm ntawm Shanghai R & D Center. Shanghai Dag nrho Chem Natiskas co tsom iav rau cov hnab nyiaj polyet thiab lwm yam khoom noj qab haus huv, surfanthet thiab polyherboxes thiab polycarboxylate superplasticier.
Los ntawm eo, po raw khoom rau cov khoom kawg, ob lub tuam txhab ua tiav kev lag luam saw kev ua tiav. Ob lub tuam txhab tsim 100000 tons polycs ib xyoos, 40000 tons polycarboxylate superplasticier ib xyoos thiab 100000 tons ntawm lwm yam khoom nyob rau ib xyoo.